CN201097116Y

CN201097116Y - Carbon powder canister

Info

Publication number: CN201097116Y
Application number: CNU2007200564813U2007200564813U
Authority: CN
Inventors: 贺咫涯
Original assignee: Print Rite Technology Development Co Ltd of Zhuhai
Current assignee: Print Rite Technology Development Co Ltd of Zhuhai
Priority date: 2007-08-29
Filing date: 2007-08-29
Publication date: 2008-08-06
Anticipated expiration: 2017-08-29

Abstract

The utility model relates to a carbon powder tube, which comprises an inner tube used for containing carbon powder, the both ends of the inner tube are sealed, and at least one powder discharging opening is arranged on the circumference surface of the inner tube; a coaxial outer tube is covered outside the inner tube, and both inner tube and outer tube can be mutually rotated; a long rib is arranged on the circumference outer surface of the inner tube along the axial direction, and the long rib is limited when the powder tube is positioned in the imaging equipment developing bin; a notch is arranged at the position where the outer surface of the outer tube is axially corresponding to the long rib, and the long rib is extended out of the outer surface of the outer tube from the notch; a powder discharging opening is arranged at the position where the circumference surface of the outer tube is axially corresponding to the powder discharging opening of the inner tube. Compared with the prior art, the carbon powder tube of the utility model has the advantages that the inner tube for containing the carbon powder is fixed in the developing bin through the long rib on the surface and cannot be rotated, and the powder discharging openings of the inner and outer tubes are aligned to discharge powder through rotating the outer tube, therefore the carbon powder in the inner tube cannot be thrown out.

Description

Carbon powder cylinder

Technical Field

The utility model relates to a carbon powder section of thick bamboo is applicable to like figure imaging equipment such as duplicator, printer or fax.

Background

Image forming apparatuses such as an electrostatic copier or a digital copier, and a one-body printer are provided with a developing device for developing an electrostatic latent image formed on a photosensitive drum, the developing device laying toner on the electrostatic latent image for development. Generally, toner consumed for development is generally supplied from a toner cartridge, which is installed in a developing device in an insertable manner after opening a shield at a discharge port of the toner cartridge, and is replaced with a new one when the toner in the toner cartridge is used up. In U.S. patent application publication No. US20050135841, a powder cartridge is disclosed which is detachably mounted to a developer receiving apparatus including a powder inlet and an apparatus shutter for opening and closing the powder inlet. The powder cartridge includes a container body for containing the developer, and includes a powder outlet, a powder cartridge shutter for opening or closing the powder outlet when the container body is rotated with the powder cartridge shutter kept stationary. And an interconnecting portion for mutual interaction of rotation of the device shutter and the container body, the device shutter starting to move when a front end boundary of the opened powder outlet is substantially flush with a rear end of the device shutter in a moving direction.

After the powder cylinder is installed in the image forming device, the powder cylinder gate is fixed by a component on the image forming device and can not rotate, the powder cylinder gate can open or close the powder outlet due to different rotating angles of the container main body, namely, the powder outlet is opened or closed by rotating the container main body.

Such a structure has the following disadvantages:

the powder cylinder gate is kept still after being installed in the image forming device, so that the powder outlet on the powder cylinder is opened and closed, the powder cylinder rotates relative to the gate by an angle when the powder outlet is opened and closed, the powder outlet is only partially shielded in the angle, and the powder cylinder rotates at the moment, so that carbon powder is easily thrown outwards to pollute a developing bin.

Disclosure of Invention

The utility model aims at providing a difficult carbon dust that makes throws away along powder section of thick bamboo circumference, keeps the clear carbon dust section of thick bamboo of developing hopper.

In order to achieve the above object, the utility model provides a following technical scheme: a carbon powder cartridge comprising

The inner cylinder is used for containing carbon powder, two ends of the inner cylinder are sealed, and the peripheral wall of the inner cylinder is provided with at least one powder outlet;

wherein,

the inner barrel is also sleeved with a coaxial outer barrel which can rotate relatively;

the outer wall of the inner cylinder is provided with long ribs along the axial direction;

the peripheral wall of the outer cylinder is provided with a notch at the position corresponding to the axial direction of the long rib, and the long rib extends out of the outer surface of the outer cylinder from the notch;

the peripheral wall of the outer cylinder and the axial corresponding position of the powder outlet of the inner cylinder are provided with a powder outlet.

In order to achieve a better implementation effect, the following technical proposals are further adopted:

a handle is arranged on one end face of the outer barrel and can drive the outer barrel to rotate relative to the inner barrel around an axis.

The handle is hinged with a supporting wall extending out of the end face of the outer cylinder through a rotating shaft, and the handle can rotate around the rotating shaft to be parallel or vertical to the end face.

The outer surface of the inner cylinder close to the handle is provided with a locking protrusion;

the handle is provided with a push plate, the lower surface of the push plate is provided with a barb which can be fastened with the lock catch, and the push plate can move on the surface of the handle along the radial direction of the handle to realize the fastening and the separation of the barb and the lock catch.

A spring is arranged between the push plate and the end surface of the handle.

A limiting protrusion extends from each of two sides of the barb on the surface of the handle;

when the barb is fastened with the lock catch, the lock catch is positioned between the two limiting protrusions.

The utility model discloses a carbon powder section of thick bamboo compares with prior art, and the inner tube that holds the carbon powder can not rotate in being fixed in the developing hopper through the long muscle that is located its surface, realizes through rotating the urceolus that the interior urceolus goes out the powder mouth and aligns out the powder, and the carbon powder in the inner tube just can not thrown away like this. As a further technical scheme, a handle is arranged on the end face of the outer cylinder, and the handle has multiple functions. Firstly, the handle can be conveniently operated to rotate the outer cylinder; secondly, a push plate arranged on the handle can lock the inner cylinder and the outer cylinder; finally, the limiting protrusion on the quilt cover of the handle can prevent the inner barrel and the outer barrel from rotating freely relative to each other.

Drawings

FIG. 1 is an exploded perspective view of a carbon powder cartridge according to the present invention;

FIG. 2 is a perspective view of the assembled carbon powder cartridge of the present invention;

FIG. 3 is an enlarged perspective view of a portion of the outer barrel and the back of the handle;

FIG. 4 is a perspective view of the carbon powder filling machine according to the present invention in an initial state;

FIG. 5 is a perspective view of the outer barrel of FIG. 4 after being rotated by a certain angle;

fig. 6 is a perspective view of the toner cartridge in a toner discharging state.

The present invention will be further explained with reference to the drawings and examples.

Detailed Description

Referring to fig. 1 and 2, fig. 1 is an exploded perspective view of a toner cartridge according to an embodiment. The carbon powder barrel comprises an inner barrel 1 and an outer barrel 2 which can rotate relatively after being assembled. The carbon powder is contained in the inner cylinder 1, and the front end and the rear end of the inner cylinder 1 are respectively sealed by a front end cover 13 and a rear end cover 12, so that the carbon powder is prevented from leaking from the front end and the rear end of the inner cylinder 1. A long rib 11 arranged along the axial direction of the inner cylinder 1 is arranged on the outer surface of the inner cylinder 1; the peripheral wall of the inner cylinder 1 is provided with two powder outlets 14, and the two powder outlets 14 are substantially rectangular and are arranged along the axial direction of the inner cylinder 1. The outer surface of the inner barrel 1 adjacent the front end cap 13 is provided with a catch projection 15. In addition, in order to prevent the leakage of the carbon powder, a sealing member 16 is provided around the powder outlet 14 of the inner tube 1 and is pressed between the inner tube 1 and the outer tube 2.

Fig. 2 is a perspective view of the assembled carbon powder cartridge of the present invention. After the outer cylinder 2 and the inner cylinder 1 are assembled, the axes of the outer cylinder 2 and the inner cylinder 1 are superposed. The peripheral wall of the outer cylinder 2 is provided with a powder outlet 21, and the powder outlet 21 corresponds to the powder outlet 14 in the axial direction, that is, when the outer cylinder 2 and the inner cylinder 1 rotate relatively to a certain position, the powder outlet 21 and the powder outlet 14 coincide, and carbon powder can flow out of the inner cylinder 1. Two protruding buckles 22 are further arranged on the outer surface of the outer cylinder 2, when the toner cartridge is loaded into a developing chamber of the image forming device, the buckles 22 can be buckled with a gate in the developing chamber, and therefore, the position of the buckles 22 in the circumferential direction of the outer wall can be determined according to the position of the gate in the developing chamber of the image forming device. The peripheral wall of the outer cylinder 2 is provided with a notch 27 at a position corresponding to the axial direction of the long rib 11, and the long rib 11 extends out of the outer surface of the outer cylinder 2 from the notch 27. Two supporting arms 25 extend out of the end parts corresponding to the front ends of the outer cylinder 2 and the inner cylinder 1, the handle 23 is rotatably connected with the two supporting arms 25 through a rotating shaft 26 (see fig. 1), and the handle 23 can rotate around the rotating shaft 26 to a position parallel to the end surface of the outer cylinder (a handle folding state) and a vertical position (a handle unfolding state).

Referring to fig. 3, a push plate 231 is provided on the handle 23, and a barb 2311 is formed on the lower surface of the push plate 231, and the barb 2311 is fastened to the latching protrusion 15 on the inner cylinder 1 when the handle 23 is in the folded state. A spring 232 is arranged between the push plate 231 and the end surface of the handle, the push plate 231 can move along the radial direction of the handle to realize the fastening and the unfastening of the barb 2311 and the locking protrusion 15 when the handle is in a folded state, and the spring 232 can provide restoring force for the push plate 231 after the unfastening operation along the surface of the handle 23. In addition, two limit protrusions 233 are protruded from the back surface of the handle 23 and both sides of the barb 2311, and when the handle 23 is in the folded state, the two limit protrusions 233 respectively limit both sides of the locking protrusion 15, thereby preventing the relative rotation between the inner cylinder 1 and the outer cylinder 2 in this state.

The operation of the above-mentioned toner cartridge after being loaded into the developing hopper of the image forming apparatus will be described with reference to fig. 4 to 6:

referring to fig. 4, fig. 4 is a perspective view of the carbon powder packaging machine according to the present invention in an initial state. Inserting the carbon powder cylinder into a developing bin of the image forming equipment along the Xa direction, wherein a long rib 11 axially arranged on the circumferential surface of the inner cylinder 1 automatically falls into a corresponding groove in the developing bin to limit the inner cylinder 1 from rotating in the developing bin, and a powder outlet 14 on the inner cylinder 1 is aligned with a powder inlet in the developing bin of the image forming equipment; the pushing plate 231 is pressed along the surface of the handle 23 to unlock the barbs 2311 from the locking protrusions 15, the handle 23 is pulled to rotate around the rotating shaft 26 (see fig. 3) to a handle unfolding state, and the two limit protrusions 233 on the back of the handle 23 also release the rotation limit of the locking protrusions 15 at the same time, so that the inner cylinder 1 can rotate relative to the outer cylinder 2; since the outer cylinder 2 is provided with the notch 27 on the surface, and the long rib 11 of the inner cylinder 1 extends out of the surface of the outer cylinder 2 from the notch 27, the outer cylinder 2 can rotate in the notch 27 along the circumferential width range of the outer cylinder 2. The handle 23 is held by hand to rotate the outer cylinder 2 in the counterclockwise direction shown in fig. 4 to the state shown in fig. 5, and fig. 5 is a perspective view of the outer cylinder 2 rotated by a certain angle in fig. 4. At this time, the two buckles 22 on the outer cylinder 2 can be fastened with the gate in the developing bin of the image forming device, and the outer cylinder 2 is driven to rotate continuously for a small angle relative to the inner cylinder 1 under the action of the image forming device, so as to reach the state shown in fig. 6, and fig. 6 is a three-dimensional view of the powder discharging state of the carbon powder cylinder of the utility model; when the image forming equipment is in the state, the gate in the developing bin of the image forming equipment is opened, and meanwhile, the powder outlet 21 of the outer cylinder 2 is superposed with the powder outlet 14 of the inner cylinder 1, so that a powder outlet channel for supplying powder to the image forming equipment by the carbon powder cylinder is opened, the carbon powder cylinder supplies the carbon powder to the developing bin, and the image forming equipment can work; after the carbon powder of the carbon powder barrel is used up, the image forming equipment stops, and the outer barrel 2 is rotated clockwise as shown in figure 6 to the initial position as shown in figure 4; then the toner cartridge is taken out from the developing chamber of the image forming apparatus along the Xb direction, the handle 23 is restored to the folded state, the push plate 231 automatically locks the barb 2311 with the latching protrusion 15 under the restoring force of the spring 232, and the inner cartridge 1 and the outer cartridge 2 cannot rotate relatively under the limiting action of the two limiting protrusions 233 on the back of the handle 23.

Of course, the structural composition of the toner cartridge of the present invention is not limited to the above-described embodiments. For example, the number of the powder outlets on the surfaces of the inner cylinder and the outer cylinder is not limited and is not necessarily the same. Obvious modifications to the above-described embodiments and other variations which do not depart from the spirit of the invention are intended to be included within the scope of the appended claims.

Claims

1. A carbon powder cartridge comprising

the method is characterized in that:

2. The toner cartridge of claim 1, wherein:

3. A toner cartridge as in claim 2, wherein:

the handle is hinged with a supporting arm extending out of the end face of the outer cylinder through a rotating shaft.

4. The carbon powder cartridge according to claim 3, wherein:

the handle is provided with a push plate, and the lower surface of the push plate is provided with a barb which can be fastened with the lock catch.

5. The carbon powder cartridge according to claim 4, wherein:

and a spring is arranged between the push plate and the end surface of the handle.

6. The carbon powder cartridge according to claim 4, wherein:

two sides of the barb respectively extend out of a limiting protrusion;

when the barb is fastened with the lock catch, the lock catch is positioned between the two limiting bulges.

7. The toner cartridge according to any one of claims 1 to 6, wherein:

the outer wall of the outer barrel is provided with a buckle.

8. The carbon powder cartridge according to claim 7, wherein:

the outer wall of the outer barrel is provided with two buckles linearly arranged along the axis direction of the outer barrel.

9. The carbon powder cartridge according to claim 7, wherein:

the periphery of the powder outlet of the inner cylinder is provided with a sealing element.